Tatsuya Kinoshita w3m up to 0.5.3-30 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Tatsuya Kinoshita w3m up to 0.5.3-30. Affected is an unknown function. The manipulation results in memory corruption. This vulnerability is cataloged as CVE-2016-9431. The attack may be launched remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic has been found in Tatsuya Kinoshita w3m up to 0.5.3-30 (Web Browser). Affected is an unknown part. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on availability. CVE summarizes:

An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. Infinite recursion vulnerability in w3m allows remote attackers to cause a denial of service via a crafted HTML page.

The bug was discovered 11/18/2016. The weakness was shared 12/12/2016 (Website). The advisory is shared for download at openwall.com. This vulnerability is traded as CVE-2016-9431 since 11/18/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 23 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 96223 (FreeBSD : w3m -- multiple vulnerabilities (eafa3aec-211b-4dd4-9b8a-a664a3f0917a)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196711 (Ubuntu Security Notification for W3m Vulnerabilities (USN-3214-1)).

Upgrading to version 0.5.3-31 eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (96223) and SecurityFocus (BID 94407†). The entries VDB-94095, VDB-94096, VDB-94097 and VDB-94098 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 96223
Nessus Name: FreeBSD : w3m -- multiple vulnerabilities (eafa3aec-211b-4dd4-9b8a-a664a3f0917a)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for w3m FEDORA-2017-783e8fa63e
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: w3m 0.5.3-31

Timelineinfo

11/03/2016 🔍
11/18/2016 +15 days 🔍
11/18/2016 +0 days 🔍
12/11/2016 +23 days 🔍
12/12/2016 +1 days 🔍
12/12/2016 +0 days 🔍
01/01/2017 +20 days 🔍
01/03/2017 +2 days 🔍
10/05/2022 +2101 days 🔍

Sourcesinfo

Advisory: 10
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-9431 (🔍)
GCVE (CVE): GCVE-0-2016-9431
GCVE (VulDB): GCVE-100-94104
SecurityFocus: 94407 - w3m Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 12/12/2016 09:37
Updated: 10/05/2022 17:53
Changes: 12/12/2016 09:37 (75), 06/25/2019 16:52 (6), 10/05/2022 17:53 (4)
Complete: 🔍
Cache ID: 216::103

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